857 citations · 7.9k across the 137 of their papers we have counts for
137 papers
Search for direct CP-violation in singly-Cabibbo suppressed D+- --> K+ K- pi+- decays
BaBar Collaboration, J. P. Lees, V. Poireau +359
We report on a search for direct CP asymmetry in the singly Cabibbo-suppressed decay D+- --> K+ K- pi+- using a data sample of 476 fb-1 accumulated with the BaBar detector running…
Search for a Low-Mass Scalar Higgs Boson Decaying to a Tau Pair in Single-Photon Decays of Upsilon(1S)
J. P. Lees, others
We search for a low-mass scalar CP-odd Higgs boson, A0, produced in the radiative decay of the Upsilon resonance and decaying into a tau+tau- pair: Upsilon(1S)->gamma A0. The produ…
The branching fraction of tau --> pi- K0S K0S (pi0) nu decays
J. P. Lees
We present a study of tau- --> pi- K0S K0S (pi0) nu and tau- --> K- K0S K0S (pi0) nu decays using a dataset of 430 million tau lepton pairs, corresponding to an integrated luminosi…
Precision Measurement of the B to X_s γPhoton Energy Spectrum, Branching Fraction, and Direct CP Asymmetry A_{CP}(B to X_{s+d}γ
The BaBar Collaboration
The photon spectrum in the inclusive electromagnetic radiative decays of the meson, plus , is studied using a data sample of $(382.8 \pm 4.2) \ti…
Observation of Time Reversal Violation in the B0 Meson System
The BABAR Collaboration, J. P. Lees, V. Poireau +364
Although CP violation in the B meson system has been well established by the B factories, there has been no direct observation of time reversal violation. The decays of entangled n…
Search for resonances decaying to eta_c pi+ pi- in two-photon interactions
The BABAR Collaboration, J. P. Lees, others
We report a study of the process gamma gamma -> X -> eta_c pi+ pi-, where X stands for one of the resonances chi_{c2}(1P), eta_c(2S), X(3872), X(3915), or chi_{c2}(2P). The analysi…
Evidence for an excess of B -> D(*) Tau Nu decays
The BaBar Collaboration
Based on the full BaBar data sample, we report improved measurements of the ratios R(D(*)) = B(B -> D(*) Tau Nu)/B(B -> D(*) l Nu), where l is either e or mu. These ratios are sens…
Study of the reaction e^{+}e^{-} -->J/psiπ^{+}π^{-} via initial-state radiation at BaBar
The BABAR Collaboration
We study the process with initial-state-radiation events produced at the PEP-II asymmetric-energy collider. The data were recorded with the BaBar detector…
Measurement of Branching Fractions and Rate Asymmetries in the Rare Decays B -> K(*) l+ l-
The BABAR Collaboration
In a sample of 471 million BB events collected with the BABAR detector at the PEP-II e+e- collider we study the rare decays B -> K(*) l+ l-, where l+ l- is either e+e- or mu+mu-. W…
Study of Bbar --> Xu l nubar decays in BBbar events tagged by a fully reconstructed B-meson decay and determination of |V_{ub}|
The BABAR Collaboration
We report measurements of partial branching fractions for inclusive charmless semileptonic B decays Bbar --> Xu l nubar, and the determination of the CKM matrix element |V_{ub}|. T…
A Measurement of the Semileptonic Branching Fraction of the B_s Meson
The BaBar Collaboration, J. P. Lees, V. Poireau +383
We report a measurement of the inclusive semileptonic branching fraction of the B_s meson using data collected with the BaBar detector in the center-of-mass (CM) energy region abov…
Search for hadronic decays of a light Higgs boson in the radiative decay Upsilon --> gamma A0
The BABAR Collaboration, J. P. Lees, V. Poireau +385
We search for hadronic decays of a light Higgs boson (A0) produced in radiative decays of an Upsilon(2S) or Upsilon(3S) meson, Upsilon --> gamma A0. The data have been recorded by…
Observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K-
The BABAR Collaboration, J. P. Lees, V. Poireau +384
We report the observation of the baryonic B decay B0bar --> Lambda_c^+ anti-Lambda K- with a significance larger than 7 standard deviations based on 471x10^6$ BBbar pairs collected…
Searches for Rare or Forbidden Semileptonic Charm Decays
The BABAR Collaboration, J. P. Lees
We present searches for rare or forbidden charm decays of the form , where is a charm hadron (, , or ), i…
Study of di-pion bottomonium transitions and search for the h_b(1P) state
The BABAR Collaboration
We study inclusive di-pion decays using a sample of 108 x 10^6 Upsilon(3S) events recorded with the BABAR detector. We search for the decay mode Upsilon(3S) --> pi+ pi- h_b(1P) and…
Study of radiative bottomonium transitions using converted photons
The BABAR Collaboration, J. P. Lees, V. Poireau +388
We use 111+/-1 million Upsilon(3S) and 89+/-1 million Upsilon(2S) events recorded by the BaBar detector at the PEP-II B-factory at SLAC to perform a study of radiative transitions…
Cross Sections for the Reactions e+e- --> K+ K- pi+pi-, K+ K- pi0pi0, and K+ K- K+ K- Measured Using Initial-State Radiation Events
The BABAR Collaboration, J. P. Lees
We study the processes e+e- --> K+ K- pi+pi-gamma, K+ K- pi0pi0gamma, and K+ K- K+ K-gamma, where the photon is radiated from the initial state. About 84000, 8000, and 4200 fully r…
Evidence for the h_b(1P) meson in the decay Upsilon(3S) --> pi0 h_b(1P)
The BABAR Collaboration, J. P. Lees, V. Poireau +406
Using a sample of 122 million Upsilon(3S) events recorded with the BaBar detector at the PEP-II asymmetric-energy e+e- collider at SLAC, we search for the spin-singlet pa…
Measurements of branching fractions, polarizations, and direct CP-violation asymmetries in B+ -> rho0 K*+ and B+ -> f0(980)K*+ decays
P. del Amo Sanchez
We present measurements of the branching fractions, longitudinal polarization, and direct CP-violation asymmetries for the decays B+ -> rho0 K*+ and B+ -> f0(980) K*+ with a sample…
Search for the Rare Decay B->K nu nubar
The BABAR Collaboration, P. del Amo Sanchez
We present a search for the rare decays B+ -> K+ nu nubar and B0 -> K0 nu nubar using 459 million BBbar pairs collected with the BaBar detector at the SLAC National Accelerator Lab…
Observation of charged kappa in J/psi -> K*(892)-+Kspi+-, K*(892)-+ -> Kspi-+ at BESII
BES Collaboration, M. Ablikim
Using 58 million J/psi decays obtained by BESII, a charged kappa particle is observed in the analysis of the Kspi+- system recoiling against K*(892)-+ selected in J/psi -> KsKspi+p…
Evidence for B+ --> tau+ nu_tau decays using hadronic B tags
The BABAR Collaboration, P. del Amo Sanchez
We present a search for the decay B+ --> tau+ nu_tau using 467.8 x 10^6 B B-bar pairs collected at the Upsilon(4S) resonance with the BABAR detector at the SLAC PEP-II B-Factory. W…
Search for Production of Invisible Final States in Single-Photon Decays of Upsilon(1S)
P. del Amo Sanchez
We search for single-photon decays of the Upsilon(1S) resonance, Upsilon->gamma+invisible, where the invisible state is either a particle of definite mass, such as a light Higgs bo…
Search for f_J(2220) in radiative J/psi decays
The BABAR Collaboration, P. del Amo Sanchez
We present a search for f_J(2220) production in radiative J/psi -> gamma f_J(2220) decays using 460 fb-1 of data collected with the BABAR detector at the SLAC PEP-II e+e- collider.…